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Sun, Aug 18, 04:23

traitsdoc.py
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"""
=========
traitsdoc
=========
Sphinx extension that handles docstrings in the Numpy standard format, [1]
and support Traits [2].
This extension can be used as a replacement for ``numpydoc`` when support
for Traits is required.
.. [1] http://projects.scipy.org/numpy/wiki/CodingStyleGuidelines#docstring-standard
.. [2] http://code.enthought.com/projects/traits/
"""
import inspect
import os
import pydoc
import docscrape
import docscrape_sphinx
from docscrape_sphinx import SphinxClassDoc, SphinxFunctionDoc, SphinxDocString
import numpydoc
import comment_eater
class SphinxTraitsDoc(SphinxClassDoc):
def __init__(self, cls, modulename='', func_doc=SphinxFunctionDoc):
if not inspect.isclass(cls):
raise ValueError("Initialise using a class. Got %r" % cls)
self._cls = cls
if modulename and not modulename.endswith('.'):
modulename += '.'
self._mod = modulename
self._name = cls.__name__
self._func_doc = func_doc
docstring = pydoc.getdoc(cls)
docstring = docstring.split('\n')
# De-indent paragraph
try:
indent = min(len(s) - len(s.lstrip()) for s in docstring
if s.strip())
except ValueError:
indent = 0
for n,line in enumerate(docstring):
docstring[n] = docstring[n][indent:]
self._doc = docscrape.Reader(docstring)
self._parsed_data = {
'Signature': '',
'Summary': '',
'Description': [],
'Extended Summary': [],
'Parameters': [],
'Returns': [],
'Raises': [],
'Warns': [],
'Other Parameters': [],
'Traits': [],
'Methods': [],
'See Also': [],
'Notes': [],
'References': '',
'Example': '',
'Examples': '',
'index': {}
}
self._parse()
def _str_summary(self):
return self['Summary'] + ['']
def _str_extended_summary(self):
return self['Description'] + self['Extended Summary'] + ['']
def __str__(self, indent=0, func_role="func"):
out = []
out += self._str_signature()
out += self._str_index() + ['']
out += self._str_summary()
out += self._str_extended_summary()
for param_list in ('Parameters', 'Traits', 'Methods',
'Returns','Raises'):
out += self._str_param_list(param_list)
out += self._str_see_also("obj")
out += self._str_section('Notes')
out += self._str_references()
out += self._str_section('Example')
out += self._str_section('Examples')
out = self._str_indent(out,indent)
return '\n'.join(out)
def looks_like_issubclass(obj, classname):
""" Return True if the object has a class or superclass with the given class
name.
Ignores old-style classes.
"""
t = obj
if t.__name__ == classname:
return True
for klass in t.__mro__:
if klass.__name__ == classname:
return True
return False
def get_doc_object(obj, what=None, config=None):
if what is None:
if inspect.isclass(obj):
what = 'class'
elif inspect.ismodule(obj):
what = 'module'
elif callable(obj):
what = 'function'
else:
what = 'object'
if what == 'class':
doc = SphinxTraitsDoc(obj, '', func_doc=SphinxFunctionDoc, config=config)
if looks_like_issubclass(obj, 'HasTraits'):
for name, trait, comment in comment_eater.get_class_traits(obj):
# Exclude private traits.
if not name.startswith('_'):
doc['Traits'].append((name, trait, comment.splitlines()))
return doc
elif what in ('function', 'method'):
return SphinxFunctionDoc(obj, '', config=config)
else:
return SphinxDocString(pydoc.getdoc(obj), config=config)
def setup(app):
# init numpydoc
numpydoc.setup(app, get_doc_object)

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